2265166 has 4 divisors (see below), whose sum is σ = 3397752. Its totient is φ = 1132582.

The previous prime is 2265163. The next prime is 2265173. The reversal of 2265166 is 6615622.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2265163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566290 + ... + 566293.

It is an arithmetic number, because the mean of its divisors is an integer number (849438).

2^2265166 is an apocalyptic number.

2265166 is a deficient number, since it is larger than the sum of its proper divisors (1132586).

2265166 is a wasteful number, since it uses less digits than its factorization.

2265166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132585.

The product of its digits is 4320, while the sum is 28.

The square root of 2265166 is about 1505.0468431248. The cubic root of 2265166 is about 131.3308267077.

The spelling of 2265166 in words is "two million, two hundred sixty-five thousand, one hundred sixty-six".